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VegBank - A Vegetation Field Plot Archive 01/01/1993 - 11/21/2009
Datasource: Regional and Global Data
Project: vegetation classification panel, ecological society of america
VegBank: A Vegetation Field Plot Archive is the vegetation plot database of the Ecological Society of America's Panel on Vegetation Classification. VegBank consists of three linked databases: (1) Vegetation Plots Database. Vegetation scientists observe and record vegetation in the field. The fundamental unit of vegetation observation is the plot. At a minimum, a plot contains information on location, spatial extent, and the species present with cover values as a measure of importance. The Vegetation Plots Database is needed to store, preserve and distribute plot data that meet recognized min...
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Potential Natural Vegetation of the Conterminous United States 01/01/1964 - 11/21/2009
Datasource: Regional and Global Data
Project: global ecosystems database
EPA Kuchler Potential Natural Vegetation of the Conterminous United States is a component of the Global Ecosystems Database (GED 2000) which is available in its entirety on-line at [http://www.ngdc.noaa.gov/seg/ecosys/] and on CD-ROM, with digital documentation. This coverage was digitized at the USEPA from the 1979 Physiographic Regions Map produced by the Bureau of Land Management (BLM), which added 10 physiognomic types to Kuchler's 1966 USGS Potential Natural Vegetation map (and similarly differs from the 1985 USGS map revised by Kuchler and others). The data set consists of two themati...
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Global Potential Vegetation Dataset 01/01/1700 - 01/01/1992
Datasource: Regional and Global Data
Project: center for sustainability and the global environment (sage)
Navin Ramankutty and Jonathan Foley from the Center for Sustainability and the Global Environment (SAGE), part of the Gaylord Nelson Institute for Environmental Studies at the University of Wisconsin - Madison, have developed a map of global potential vegetation types. The map was derived at a 5 min resolution and contains natural vegetation classified into 15 types. This data set is derived mainly from the DISCover land cover data set, with the regions dominated by land use filled using the vegetation data set of Haxeltine and Prentice (1996). The data set represents the world's potential veg...
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World Vegetation Cover 01/01/1970 - 12/31/1990
Datasource: Regional and Global Data
Project: global ecosystems database
This data set characterizes natural primary vegetation cover, which is an indicator of long-term stable climatic and ecological conditions. Three hierarchical classifications (Code, Type, and Group) are provided in both Vector and Raster form based on the structural and floristic characteristics of vegetation as well as on ecological-geographic criteria. These maps reveal the characteristic features of zonal subdivision of the vegetation on the plains and altitudinal differentiation in the mountains as well as regional vegetation types. The data set consists of six thematic layers, one raste...
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Natural Vegetation Map of the European Communities and the Council of Europe (from CORINE) 01/01/1979 - 03/31/1989
Datasource: Regional and Global Data
Project: n/a
The Natural Vegetation Map of the European Communities and the Council of Europe was originally published in 1979 at a scale of 1:4,000,000. A second version of this map depicting climax and pseudo-climax (as opposed to existing) vegetation was published in 1987 by the Council of Europe at a scale of 1:3,000,000. The second version offers the additional advantage, besides larger scale, of including over 100 vegetation classes and taking more account of regional variations. The 1988 version of the map was digitized using manual techniques at the IGN in Brussels, and subsequently transferred to ...
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Atmosphere-Vegetation Interaction Model (AVIM) 01/01/1995 - 11/21/2009
Datasource: Regional and Global Data
Project: n/a
The Atmosphere-Vegetation Interaction Model (AVIM) is a biogeochemical model involving not only land surface physical processes but also eco-physiological processes. The primary model purpose is to construct a physical and eco-physiological process, two-way feedback mechanical model to be incorporated within climate model (at global or regional scale), and to study climate-ecosystem interaction. AVIM is developed based on the feedback mechanism between the plant growth physiological processes and abiotic environment-atmosphere and soil (i.e., the accumulation of the exchange of materials (...
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World Vegetation Map from NOAA/GVI Data 01/01/1985 - 12/31/1987
Datasource: Regional and Global Data
Project: n/a
This global vegetation map was derived from multi-temporal NOAA/Global Vegetation Index (GVI) data collected over a three-year period from 1985 to 1987, and includes eight general vegetation types. The methodology was based on temporal analysis of monthly vegetation activity cycles as represented by the normalized vegetation index (NVI), together with geo- referenced elevation, rainfall and temperature data. The authors' (Drs. Shunji Murai and Yoshiaki Honda of the Institute of Industrial Science, University of Tokyo) broad objective was to provide a tool for global vegetation change monitorin...
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MODIS 500 m Global Vegetation Continuous Fields Percent Tree Cover 11/16/2000 - 11/21/2009
Datasource: Regional and Global Data
Project: n/a
Proportional estimates of cover are developed from global training data derived using high-resolution imagery. The training data and phenological metrics are used with a regression tree to derive percent cover globally. The model is then used to estimate aerial proportions of: 1. Life form (proportion of woody vegetation, herbaceous vegetation, or bare ground) 2. Leaf type (proportion of woody vegetation that is needleleaf or broadleaf) 3. Leaf longevity (proportion of woody vegetation that is evergreen or deciduous) The first release of the MODIS 500 m Global Vegetation Continuous Fields pr...
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Average and Peak Vegetation Growth in the United States, 1990-2005 01/01/1990 - 12/31/2005
Datasource: Regional and Global Data
Project: avhrr land dataset program (avhrr pathfinder)
Greenness composites have been produced for the conterminous United States every two weeks since 1989, and for Alaska, during the growing season, since 1990. The data are derived from EROS binary AVHRR time-series maximum-value NDVI (greenness) calculations, which measure vegetation cover and plant growth. Because they indicate vegetation vigor, NDVI values are commonly called greenness data. Generally, healthy vegetation is considered an indicator of favorable climatic and environmental conditions, while poor vegetation condition is indicative of droughts and diminished productivity. Two dat...
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UNESCO Vegetation Map of Africa (White) 01/01/1968 - 08/31/1983
Datasource: Regional and Global Data
Project: n/a
The UNESCO/AETFAT/UNSO (White's) Vegetation Map of Africa was published in 1983 after more than 15 years of collaboration between UNESCO and AETFAT (Association pour l'Etude Taxonomique de la Flore De l'Afrique Tropicale). The original product comprises three map sheets at a scale of 1:5,000,000. These maps were digitized by GRID in their original Miller Oblated Stereographic Projection, and later rasterized at a cell (pixel) size of 30 seconds latitude/longitude resolution (approximately one-kilometer square). The digital product distributed by GRID covers the entire continent of Africa and M...
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